wi line self powered devices - ameu hope... · current-fed protection relays 3-phase overcurrent...

2 … make the right choice !!!… make the right choice !!!

PROPRIETARY INFORMATION - © 2015 WOODWARD, INC. PAGE 2

WI Line Self Poweredsupplieddevices2015/11/13


Key Benefits WI Line

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Self powered time-overcurrent relay with multi characteristic

No external power supply needed

Easy to use

Hardware design for use in extreme environment

IEC60255 compliant


Key Benefits WI Line

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Current-fed protection relays

3-phase overcurrentprotection (DEFT or IDMT)

For rough environmental conditions

CT: wide range (special CT)

SCADA: Modbus RTU

Low-end market (Ring mainunit)


Application WI Line

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Application WI Line

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Ring Main Units with integrated CB

Interchange Stations

Transformer and Distribution Substations


Main features WIC

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Low and high set overcurrent protection

Inverse and definite time tripping characteristics

Fuse characteristics

Protection elements separately activated

Earth fault protection via integrated Holmgreen circuit


Main features WIP

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CT Powered Time Overcurrent and Earth Current Relay

No power supply needed

Display shows: Values, Parameters, Faults/Events ...

Electro impulse output

Self supervision output

Remote trip input

Digital inputs

Display

Relay outputs (Bi stabil)

Flag indicator output

Unrestricted © Siemens AG 2015 Alle Rechte vorbehalten. siemens.com/answers

7SR45 Argus Self Powered Overcurrent Relay

Reyrolle

10… make the right choice !!!… make the right choice !!!

7SR45 Argus Product Overview

Compact; 1A or 5A CT Input

Programmable

using ‘Reydisp’ Software

2-BI / 2-BO, User Configurable

USB-Front Interface

CT Powered Relay

Lithium Battery Backup

Remote Reset

High Sensitivity (0.2*In )

Switch-on-to-Fault (SOTF) / 50LCEnhanced Diagnostics


7SR45 Case, Display, IO and LED Details

Case, Display, IO and LED Details

Size 4 Case; Moulded Polycarbonate Housing

USB Front Port (for configuration via REYDISP)

LCD Display

• 2 Lines

• 16 Characters

• Backlit

Programmable from Fascia

Easy-to-Use Keypad Interface with 7 Navigation Keys

9 x LED (including Protection Healthy LED & Trip Ready)

User Friendly Interface for Accessing Settings

Back-Up Battery easily replaced from the Relay Front


7SR45 Connections Diagram

I/O Type Description

Analog Inputs 4 x CT (3 PF + 1EF)1A or 5A CT Inputs

(Ordering Option)

Binary Inputs 2 19-110VDC (19VDC Pick-Up),

Programmable

Binary Output 2 1 NO contact + 1 C/O contact ;

Programmable

Pulse Output 124V, 0.1Ws

Low Energy Pulse Output


7SR45 Protection Functions

7SR45

51

50G

(x2)51G

50

(X2)

50N

(x2)51N

IL1

(IA)

IL2

(IB)

IL3

(IC)

IE

(IG)

5150

(X2)

5150

(X2)

50LC/

SOTF

50LC/

SOTF

50LC/

SOTF

ANSI

Code

Function

50 Instantaneous Overcurrent

Protection

50N/G Instantaneous Derived / Measured

Earth Fault Protection

51 Time Delayed Overcurrent

Protection

51N/G Time Delayed Derived / Measured

Earth Fault Protection

50LC /

SOTF

Line Check / Switch-On-To-Fault


7SR45 Customer Benefits

Customer Benefits

CT Powered Three Phase Non-Directional Overcurrent and Earth-Fault Protection Relay with Definite

Time and IDMT Characteristics.

Internal Lithium Battery Back-Up for Viewing Status during Faults.

Integrated IDMT Curves (IEC / ANSI) for Time Co-Ordination Requirements of Secondary Distribution

Protection.

Dedicated Switch-on-to-Fault (SOTF) Protection.

If enabled, provides high speed tripping if a fault is still present on the feeder after the reclosure of the

circuit breaker (Close-on-to-Fault) or if Earthing Clamps are left connected after maintenance.

High Sensitivity – Trip Ready at 20% of In (Single Phase) & 13% of In (Three Phase) via Low Power

Pulse Output or Binary Output.

Immune to Magnetizing Inrush of Transformers.

Easy Setting via the Front Fascia or using the Reydisp Evolution Software.

Intelligent Power Management – Fail Safe Start-Up and Shut-Down Modes.

Self Monitoring – including Battery Condition Monitor.


Remove electromechanical Induction Disc Relay -Reyrolle Type 2TJM or GEC type CDG

-Re-use existing current transformers (*note use

3 CTs)

-Re-use existing battery tripping unit

-Minimum mechanical work and rewiring

7SR45 self powered OCEF – extend the life of your substation

Replace directly with 7SR45


RMS 2C200


RMS 2C200

balanced core CT

phase CT cores for unscreened single core cables

phase CT cores for screened single core cables


Woodbeam and Self Powered Protection Relays

WIC WIP 2C200 7SR45

CT inputs 4 4 4 4

CT Requirements Special Special Special Reasonable

Grading Course Fine Course Fine

Rough Cost R8500 R25000 R12500 R8500

Programming Dip / sw Facia / sw dip Facia / sw

Fault records None Last 5 faults None Last 10 Faults, 100 Events


Woodbeam and Self Powered Protection Relays

WIC WIP 2C200 7SR45

25 years maintenance free

Withdrawable Led annunciator

Ultra harsh enviroments

Split core ct’s make retrofit easy

Usb or keypad programming

Flexible CT’s wide range

Display with meters and fault info

Display with meters and fault info

1000’s in service in SA

Same reyrolle menu structure and

software

Small size makes it easy to fit in compact gear

Navigation after trip

Battery for display

Navigation after trip

Battery for display


7SR119 Argus Retrofit Solution

7SG1114 (DCD) in Case Withdraw 7SG1114 DCD from Case Insert 7SR119

Replace New Cover for 7SR119


The Compact RangeMore functionality …..Lower cost ..Easy to use …with IEC61850 option

Argus-C 7SR1/12

Feeder protection

Capa7SR191

Capacitor protection

7SR158

Mains monitoringprotection

7SR157

Synch check relay

Rho-C

7SR17

Motor protection

And don’t forget …

Duobias7SR24 transformer protection

Solkor7SG18 feeder differential protection

All with the same easy to use menu structure and PC setting and analysis software

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Questions?

wi line self powered devices - ameu hope... · current-fed protection relays 3-phase overcurrent...

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